[MLB-WIRELESS] Purchasing omnidirectional antennas

Glen Brunning bchild at wireless.org.au
Tue Jul 16 16:54:21 EST 2002


Pratical omni's that would do a range of 1-4km's would be gains of 4-8db, have used
these in the past and do a very good job. ideal for a few links in the 2km range.

Regards
Glen Brunning
Hardware Tech
Melbourne Wireless

Robert Graham Merkel (rgmerk at mira.net) wrote*:
>
>It seems that the most appropriate first antenna for what
>I want to do is an omnidirectional (mainly because there
>are several people who I'd like to link to who are within
>2 kms, all in different directions).
>
>A couple of questions, then:
>
>1) I gather that the very high-gain omnis aren't useful
>because the vertical distribution of the beam is too narrow.
>What's the maximum practical?  I don't care about the antenna
>working in my own house (already have a fixed network there
>which works fine), but I would want to be able to
>connect to people within a few hundred metres as well as
>a maximum range of a couple of k's.
>2) From talking to somebody at the meeting (sorry, forgotten
>who), it also appears that the homebuilt omni designs
>we've seen so far don't work well enough to be useful.
>Therefore, it sounds like I need a commercial omni.
>Where can I get one?  There doesn't seem to be any listed
>on the TIB at the moment.
>
>Oh, and I think I need to make a comment on the relative
>merits of various operating systems  . . . ;)
>
>--
>------------------------------------------------------------
>Robert Merkel	                           rgmerk at mira.net
>
>Node FLY on Melbourne Wireless : http://www.wireless.org.au
>------------------------------------------------------------
>
>To unsubscribe: send mail to majordomo at wireless.org.au
>with "unsubscribe melbwireless" in the body of the message
>


To unsubscribe: send mail to majordomo at wireless.org.au
with "unsubscribe melbwireless" in the body of the message



More information about the Melbwireless mailing list